644848128

素因数分解:

$2^9\times 3^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 240

約数和(自身を含む): 1983998016

約数和(自身を除く): 1339149888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 71, 72, 73, 81, 96, 108, 128, 142, 144, 146, 162, 192, 213, 216, 219, 243, 256, 284, 288, 292, 324, 384, 426, 432, 438, 486, 512, 568, 576, 584, 639, 648, 657, 768, 852, 864, 876, 972, 1136, 1152, 1168, 1278, 1296, 1314, 1536, 1704, 1728, 1752, 1917, 1944, 1971, 2272, 2304, 2336, 2556, 2592, 2628, 3408, 3456, 3504, 3834, 3888, 3942, 4544, 4608, 4672, 5112, 5183, 5184, 5256, 5751, 5913, 6816, 6912, 7008, 7668, 7776, 7884, 9088, 9344, 10224, 10366, 10368, 10512, 11502, 11826, 13632, 13824, 14016, 15336, 15549, 15552, 15768, 17253, 17739, 18176, 18688, 20448, 20732, 20736, 21024, 23004, 23652, 27264, 28032, 30672, 31098, 31104, 31536, 34506, 35478, 36352, 37376, 40896, 41464, 41472, 42048, 46008, 46647, 47304, 54528, 56064, 61344, 62196, 62208, 63072, 69012, 70956, 81792, 82928, 84096, 92016, 93294, 94608, 109056, 112128, 122688, 124392, 124416, 126144, 138024, 139941, 141912, 163584, 165856, 168192, 184032, 186588, 189216, 245376, 248784, 252288, 276048, 279882, 283824, 327168, 331712, 336384, 368064, 373176, 378432, 419823, 490752, 497568, 504576, 552096, 559764, 567648, 663424, 736128, 746352, 756864, 839646, 981504, 995136, 1009152, 1104192, 1119528, 1135296, 1259469, 1326848, 1472256, 1492704, 1513728, 1679292, 1990272, 2208384, 2239056, 2270592, 2518938, 2653696, 2944512, 2985408, 3027456, 3358584, 3980544, 4416768, 4478112, 4541184, 5037876, 5970816, 6717168, 7961088, 8833536, 8956224, 9082368, 10075752, 11941632, 13434336, 17912448, 20151504, 23883264, 26868672, 35824896, 40303008, 53737344, 71649792, 80606016, 107474688, 161212032, 214949376, 322424064, 644848128]

約数ペア:

[(1, 644848128), (2, 322424064), (3, 214949376), (4, 161212032), (6, 107474688), (8, 80606016), (9, 71649792), (12, 53737344), (16, 40303008), (18, 35824896), (24, 26868672), (27, 23883264), (32, 20151504), (36, 17912448), (48, 13434336), (54, 11941632), (64, 10075752), (71, 9082368), (72, 8956224), (73, 8833536), (81, 7961088), (96, 6717168), (108, 5970816), (128, 5037876), (142, 4541184), (144, 4478112), (146, 4416768), (162, 3980544), (192, 3358584), (213, 3027456), (216, 2985408), (219, 2944512), (243, 2653696), (256, 2518938), (284, 2270592), (288, 2239056), (292, 2208384), (324, 1990272), (384, 1679292), (426, 1513728), (432, 1492704), (438, 1472256), (486, 1326848), (512, 1259469), (568, 1135296), (576, 1119528), (584, 1104192), (639, 1009152), (648, 995136), (657, 981504), (768, 839646), (852, 756864), (864, 746352), (876, 736128), (972, 663424), (1136, 567648), (1152, 559764), (1168, 552096), (1278, 504576), (1296, 497568), (1314, 490752), (1536, 419823), (1704, 378432), (1728, 373176), (1752, 368064), (1917, 336384), (1944, 331712), (1971, 327168), (2272, 283824), (2304, 279882), (2336, 276048), (2556, 252288), (2592, 248784), (2628, 245376), (3408, 189216), (3456, 186588), (3504, 184032), (3834, 168192), (3888, 165856), (3942, 163584), (4544, 141912), (4608, 139941), (4672, 138024), (5112, 126144), (5183, 124416), (5184, 124392), (5256, 122688), (5751, 112128), (5913, 109056), (6816, 94608), (6912, 93294), (7008, 92016), (7668, 84096), (7776, 82928), (7884, 81792), (9088, 70956), (9344, 69012), (10224, 63072), (10366, 62208), (10368, 62196), (10512, 61344), (11502, 56064), (11826, 54528), (13632, 47304), (13824, 46647), (14016, 46008), (15336, 42048), (15549, 41472), (15552, 41464), (15768, 40896), (17253, 37376), (17739, 36352), (18176, 35478), (18688, 34506), (20448, 31536), (20732, 31104), (20736, 31098), (21024, 30672), (23004, 28032), (23652, 27264)]